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Not in CISA KEV
HIGH severity

GHSA-5v44-7647-xfw9 prestashop/productcomments

HIGHFix: PrestaShop/productcomments@7c2033d

GHSA-5v44-7647-xfw9 is a high-severity (CVSS 8.2) SQL Injection vulnerability in prestashop/productcomments. 1 public exploit reference exists, so weaponization risk is real. A fix is available for prestashop/productcomments — see the affected versions and patch details below.

Blind SQL injection in PrestaShop productcomments module

Also known asCVE-2020-26248
Published
Jan 20, 2021
Updated
Jul 8, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Sep 18, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
12.4%probability of exploitation in next 30 days
Moderate Risk0.00%
Lower risk than most CVEs96th percentile — riskier than 96% of all scored CVEsHighest risk

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

How urgent is this, really

GHSA-5v44-7647-xfw9 plotted by exploitation likelihood (EPSS) against impact (CVSS). The shaded corner — EPSS 50%+ and CVSS 7.0+ — is where this CVE doesn't sit, though severity or exploitability alone can still warrant action.

Where this sits among everything scored

Of 377,166 CVEs with a current EPSS score, this one falls in the 10–50% band (highlighted). Real counts from FIRST.org, not a sample — log-scaled since the landscape is heavily right-skewed.

Real-World Exposure

1 pkg affected
🐘prestashop/productcomments

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Impact

An attacker can use a Blind SQL injection to retrieve data or stop the MySQL service.

Patches

The problem is fixed in 4.2.1

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistprestashop/productcomments4.0.0&&< 4.2.14.2.1composer require prestashop/productcomments:^4.2.1
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for prestashop/productcomments, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update prestashop/productcomments to 4.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-5v44-7647-xfw9 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 Security's impact-aware SCA analyses which vulnerable code paths your application actually calls, so a match like GHSA-5v44-7647-xfw9 can be triaged on real exposure rather than presence alone.

Tailored to GHSA-5v44-7647-xfw9. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

How to detect GHSA-5v44-7647-xfw9

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id ghsa-5v44-7647-xfw9 -u https://target
Template
PrestaShop Product Comments <4.2.0 - SQL Injection
Severity
high
Impact
Successful exploitation of this vulnerability allows an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, data leakage, or data manipulation.
Remediation
Fixed in 4.2.1.

Template by ProjectDiscovery nuclei-templates (edoardottt), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

### Impact An attacker can use a Blind SQL injection to retrieve data or stop the MySQL service. ### Patches The problem is fixed in 4.2.1
O3 Security · Impact-Aware SCA

Is GHSA-5v44-7647-xfw9 in your dependencies?

O3 Security finds GHSA-5v44-7647-xfw9 across Packagist dependencies, including transitive ones, and its impact-aware SCA ranks findings by whether your code actually calls the vulnerable path.

GHSA-5v44-7647-xfw9: High 8.2 severity | O3 Security